171502180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{1051}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 371145600

約数和(自身を除く): 199643420

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 199, 205, 398, 410, 796, 820, 995, 1051, 1990, 2102, 3980, 4204, 5255, 8159, 10510, 16318, 21020, 32636, 40795, 43091, 81590, 86182, 163180, 172364, 209149, 215455, 418298, 430910, 836596, 861820, 1045745, 2091490, 4182980, 8575109, 17150218, 34300436, 42875545, 85751090, 171502180]

約数ペア:

[(1, 171502180), (2, 85751090), (4, 42875545), (5, 34300436), (10, 17150218), (20, 8575109), (41, 4182980), (82, 2091490), (164, 1045745), (199, 861820), (205, 836596), (398, 430910), (410, 418298), (796, 215455), (820, 209149), (995, 172364), (1051, 163180), (1990, 86182), (2102, 81590), (3980, 43091), (4204, 40795), (5255, 32636), (8159, 21020), (10510, 16318)]